Unknown Synchron
Unknown Synchron is a Tuner Effect Monster in the Synchron archetype, first released in 2011 in Extreme Victory. It has 4 printings across 3 sets (Common, Secret Rare). The cheapest copy is SDSE-EN008 Common at $0.23; the most valuable is LC5D-EN022 Secret Rare at $1.50. In the TCG it is currently unlimited (3 copies).
Market price · TCGPlayer
Updated Oct 1, 2026
$0.23 – $1.50
4 printings priced
Type
Machine
Level
1
ATK
0
DEF
0
If your opponent controls a monster and you control no monsters, you can Special Summon this card from your hand. Each player can only use the effect of Unknown Synchron once per Duel.
Appears in 3 expansions
Printings (4)
| expansion | Code | Rarity | Price | Buy |
|---|---|---|---|---|
| Extreme Victory | EXVC-EN002 | Common | $0.27 | |
| Legendary Collection 5D's | LC5D-EN022 | Secret Rare | $1.50 | |
| Structure Deck: Synchron Extreme | SDSE-EN008 | Common | $0.23 | |
| Legendary Duelists: Synchro Storm | LED8-EN049 | Common | $0.26 |
Unknown Synchron: FAQ
How much is Unknown Synchron worth?+
Unknown Synchron currently sells for $0.23 – $1.50 on TCGPlayer, from $0.23 for SDSE-EN008 up to $1.50 for LC5D-EN022. The exact value depends on the printing, rarity, edition and condition — scan the card with YuScan to see the price of your copy.
Which sets was Unknown Synchron printed in?+
Unknown Synchron appears in 3 sets: Extreme Victory, Structure Deck: Synchron Extreme, Legendary Duelists: Synchro Storm.
Is Unknown Synchron legal in tournaments?+
On the current TCG Forbidden & Limited List, Unknown Synchron is unlimited (3 copies).
What is the passcode of Unknown Synchron?+
The 8-digit passcode printed on Unknown Synchron is 15310033.
Synchron
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